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Showing posts with label Science. Show all posts
Showing posts with label Science. Show all posts

Saturday, May 24, 2008

Butterfly

A butterfly is an insect of the order Lepidoptera. Like all Lepidoptera, butterflies are notable for their unusual life cycle with a larval caterpillar stage, an inactive pupal stage, and a spectacular metamorphosis into a familiar and colourful winged adult form. Most species are day-flying so they regularly attract attention. The diverse patterns formed by their brightly coloured wings and their erratic yet graceful flight have made butterfly watching a popular hobby.

Butterflies comprise of the true butterflies (superfamily Papilionoidea), the skippers (Superfamily Hesperioidea) and the moth-butterflies (Superfamily Hedyloidea). Butterflies exhibit polymorphism, mimicry and aposematism. Some are known to migrate over large distances. Some butterflies have evolved symbiotic and parasitic relationships with social insects such as ants. Economically, butterflies are important by virtue of their being one of the major agents of pollination, in addition to a number of species which are pests on domestic crops and trees.

Culturally, butterflies are a popular motif in the visual and literary arts.

Friday, May 23, 2008

Butterfly's World

Kerala is one of the eighteen 'biodiversity centres' of the world. This land is home to more than 500 birds and 330 butterfly species, 37 of these endemic to this region. According to Birdlife International, it is also one of eight 'centres of endemism' in the Indian Subcontinent. Comprising of the largest in India, the Southern or Western Ghats Birdwing (Troides minos) with a wingspan of about 25 cms to the smallest, the Grass Jewel (Zizula hylax) with only 1.5 to 2 cm wingspan, the Kerala butterfly fauna is rich, diverse and scientifically very interesting.

Many Wildlife Sanctuaries in Kerala (officially protected wildlife parks) are a lepidopteran delight - the famous among them being Periyar Tiger Reserve, Chinnar Wildlife Sanctuary, Parambikulam Wildlife Sanctuary, Wayanad Wildlife Sanctuary and the Thattekad Bird Sanctuary. That is not all - Kerala's beautiful countryside can boast of a vast and fascinating variety of butterflies - be it in the myriad plantation areas or your own backyard. For those interested in the butterfly life of Kerala, it would be possible to organise dedicated tours in the company of our experts. The tour will take you through some of the most beautiful regions of India and lasts from 2 days to 15 days. Our guides are well versed in spotting the endemics as well as the most elusive ones.

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